A compound attribute that is the ratio of amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood to amount of Delta(14)-sterol reductase LBR (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054607 (CRACR2A/LBR protein level ratio in blood). Also known as: the ratio of amount of EF-hand calcium-binding domain-containing protein 4B (human) in blood to amount of Delta(14)-sterol reductase LBR (human) in blood.